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Class Information
Number: 257/E33.03
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Light emitting semiconductor devices having a potential or a surface barrier, processes or apparatus peculiar to the manufacture or treatment of such devices, or of parts thereof > Device characterized by semiconductor body (epo) > Material of active region (epo) > Comprising only group iii-v compound (epo) > Characterized by doping material (epo) > Nitride compound (epo)
Description: This subclass is indented under subclass E33.029. This subclass is substantially the same in scope as ECLA classification H01L33/00C4D4B.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8704244 LED light emitting device Apr. 22, 2014
8704252 Light emitting device Apr. 22, 2014
8679248 GaN whiskers and methods of growing them from solution Mar. 25, 2014
8674381 Nitride semiconductor light emitting device Mar. 18, 2014
8663389 Method and apparatus for crystal growth using a membrane-assisted semi-closed reactor Mar. 4, 2014
8637901 Low-defect density gallium nitride semiconductor structures and devices thereof Jan. 28, 2014
8633495 Nitride semiconductor light-emitting device and method of manufacturing the same Jan. 21, 2014
8598599 Group III nitride semiconductor light-emitting device Dec. 3, 2013
8591652 Semi-conductor substrate and method of masking layer for producing a free-standing semi-conductor substrate by means of hydride-gas phase epitaxy Nov. 26, 2013
8592840 Optoelectronic semiconductor chip and use of an intermediate layer based on AlGaN Nov. 26, 2013
8541796 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Sep. 24, 2013
8541818 Semiconductor heterostructure diodes Sep. 24, 2013
8535753 Methods of forming carbon nanotubes Sep. 17, 2013
8525196 Nitride-based semiconductor light emitting diode Sep. 3, 2013
8519414 III-nitride based semiconductor structure with multiple conductive tunneling layer Aug. 27, 2013
8519416 Method of fabricating nitride-based semiconductor light-emitting device and nitride-based semiconductor light-emitting device Aug. 27, 2013
8513686 High output small area group III nitride LEDs Aug. 20, 2013
8507944 Light emitting device, method of fabricating the same and light emitting device package Aug. 13, 2013
8470626 Method of fabricating light emitting diode Jun. 25, 2013
8455273 Method for producing crystalline nitride phosphors Jun. 4, 2013
8449672 Method of growing group III nitride crystals May. 28, 2013
8431936 Method for fabricating a p-type semiconductor structure Apr. 30, 2013
8421119 GaN related compound semiconductor element and process for producing the same and device having the same Apr. 16, 2013
8367441 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Feb. 5, 2013
8368095 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Feb. 5, 2013
8357607 Method for fabricating nitride-based semiconductor device having electrode on m-plane Jan. 22, 2013
8334199 Method for fabricating nitride-based semiconductor device having electrode on m-plane Dec. 18, 2012
8318594 Method for fabricating nitride-based semiconductor device having electrode on m-plane Nov. 27, 2012
8319235 Nitride semiconductor light-emitting device and method of manufacturing nitride semiconductor light-emitting device Nov. 27, 2012
8309984 Nitride-based semiconductor device having electrode on m-plane Nov. 13, 2012
8304802 Nitride-based semiconductor device having electrode on m-plane Nov. 6, 2012
8299490 Nitride-based semiconductor device having electrode on m-plane Oct. 30, 2012
8263424 Opto-electronic and electronic devices using an N-face or M-plane gallium nitride substrate prepared via ammonothermal growth Sep. 11, 2012
8237198 Semiconductor heterostructure diodes Aug. 7, 2012
8231726 Semiconductor light emitting element, group III nitride semiconductor substrate and method for manufacturing such group III nitride semiconductor substrate Jul. 31, 2012
8232570 Semiconductor light emitting device having conductive substrate Jul. 31, 2012
8207556 Group III nitride semiconductor device and epitaxial substrate Jun. 26, 2012
8198649 Compound semiconductor substrate grown on metal layer, method for manufacturing the same, and compound semiconductor device using the same Jun. 12, 2012
8101465 Method of fabricating a semiconductor device with a back electrode Jan. 24, 2012
8093685 Nitride compound semiconductor element Jan. 10, 2012
8093625 Nitride semiconductor light emitting device and method for fabricating the same Jan. 10, 2012
8093606 Nitride semiconductor light emitting device Jan. 10, 2012
8067255 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Nov. 29, 2011
8053806 Group III nitride semiconductor device and epitaxial substrate Nov. 8, 2011
8044409 III-nitride based semiconductor structure with multiple conductive tunneling layer Oct. 25, 2011
8044430 Nitride semiconductor light-emitting device comprising multiple semiconductor layers having substantially uniform N-type dopant concentration Oct. 25, 2011
8030679 Nitride semiconductor light emitting device and fabrication method therefor Oct. 4, 2011
7999249 Nitride semiconductor light emitting device with surface texture and its manufacture Aug. 16, 2011
7999272 Semiconductor light emitting device having patterned substrate Aug. 16, 2011
7994525 Nitride-based semiconductor light emitting diode Aug. 9, 2011

1 2 3 4










 
 
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